Perhaps you should try some spelling variations:
thuc thuc » hoc thuc
cuc thuc » cuc thue, cuu thuc, cach thuc
sang tai » hang tai, sang tao, tang tai
cham xuc » cam xuc, chat xuc, cham soc
han tai » hang tai, nhan tai, van tai
hieu su » hieu sau, tieu su, hieu so
tai doi » thai doi, tri doi, mai doi
hieu vu » hieu va, hieu ve, dieu vu
ky sang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh
tu sac » tu sach, tu cac, tu san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky sang tai doi. ((hieu vu) or (hieu su)) cham xuc va han tai ((cuc thuc) OR (thuc thuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang tai doi. ((hieu vu) OR (hieu su)) cham xuc va han tai ((cuc thuc) OR (thuc thuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang tai doi. ((hieu vu) or (hieu su)) cham xuc va han tai ((cuc thuc) OR (thuc thuc))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang tai doi. ((hieu vu) or (hieu su)) cham xuc va han tai ((cuc thuc) OR (thuc thuc))*.