Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cau phuc » cau truc, chau phu, huu phuc
dau tren » dau tien, dat tren, dau tieng
nang cau » nang cao, hang cau, nang dau
hieu ve » hieu van
hieu va » lieu va, hieu qua
phuc va » phuc vu, thuc va, chuc va
va hanh » van hanh, va thanh, va danh
vai dau » va dau, van dau, xvii dau
san ly » ban ly
van ly » van ky, van le, van lu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((san ly) OR (van ly)) nang cau hoi. ((hieu ve) or (hieu va)) cau phuc va hanh vai dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((san ly) OR (van ly)) nang cau hoi. ((hieu ve) OR (hieu va)) cau phuc va hanh vai dau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((san ly) OR (van ly)) nang cau hoi. ((hieu ve) or (hieu va)) cau phuc va hanh vai dau tren*".