Perhaps you should try some spelling variations:
hang cau » hang dau, hang ca, nhung cau
luy tre » luyen tre
va tinh » may tinh
ky hang » ky nang, ly hang, ky dang
luu tre » luu tru, cuu tre
tinh ve » trinh ve, tinh ven, dinh ve
te sac » te sach, te cac, te san
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky hang cau hoi. hieu ((ve cam) or (va cam)) xuc va tinh ve ((luu tre) or (luy tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky hang cau hoi. hieu ((ve cam) OR (va cam)) xuc va tinh ve ((luu tre) OR (luy tre)).
• Adding a wildcard symbol may retrieve word variants: te sac ky hang cau hoi. hieu ((ve cam) or (va cam)) xuc va tinh ve ((luu tre) or (luy tre))*.