Perhaps you should try some spelling variations:
thien van » thi van
chu tre » cho tre, chu tri, cuu tre
cam tuc » cam xuc, cam tu, nam thuc
ky tang » ky nang, ky dang, kho tang
danh va » doanh va, hanh va, anh va
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
va chu » va che, va cau, va chi
tuc va » thuc va, truc va, tuc xa
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, ma hoa, me hoi

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 tang ((ma hoi) or (xa hoi)). ((hieu ve) or (thien van)) cam tuc va danh va chu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang ((ma hoi) OR (xa hoi)). ((hieu ve) OR (thien van)) cam tuc va danh va chu tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ((ma hoi) or (xa hoi)). ((hieu ve) or (thien van)) cam tuc va danh va chu tre*.