Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hieu van » thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
tai cua » thai cua, tai cuc, tri cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang ma hoi. ((((hieu ve) or (hieu van))) or (hieu va)) cam luc va thanh tai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang ma hoi. ((((hieu ve) OR (hieu van))) OR (hieu va)) cam luc va thanh tai cua vat.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang ma hoi. ((((hieu ve) or (hieu van))) or (hieu va)) cam luc va thanh tai cua vat*.