Perhaps you should try some spelling variations:
sang tao » hang tai
cac danh » cac doanh, cac dan, cac dang
danh doi » danh di, thanh doi, dung doi
so sang » so sanh, so dang, so lang
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
tuc cac » tu cac, tich cac
doi cua » dai cua, hoi cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sang tao ((mang may) or (nang ma)) hoi. hieu va cac tuc cac danh doi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sang tao ((mang may) OR (nang ma)) hoi. hieu va cac tuc cac danh doi cua tu*.