Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va doanh » van doanh, vay doanh, va danh
cua tre » cua te, cuu tre, dua tren
nang ma » tang ma, sang ma, nang cao
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
tu sac » tu sach, tu cac, tu san
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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 nang ma hoi. hieu ((ve cham) OR (va cham)) luc va doanh tai ((cua triet) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. hieu ((ve cham) OR (va cham)) luc va doanh tai ((cua triet) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ma hoi. hieu ((ve cham) OR (va cham)) luc va doanh tai ((cua triet) or (cua tre))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. hieu ((ve cham) OR (va cham)) luc va doanh tai ((cua triet) or (cua tre))*.