Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
sach tu » sach thu, sach ty, sach uu
hieu ve » hieu van
nang ma » tang ma, sang ma, nang cao
cach tu » cach thuc
ma hoi » mai hoi, xa hoi, ma hoa
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach tu) or (cach tu)) nang ma hoi. ((hieu ve) OR (hieu va)) cam xuc van hanh vai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (cach tu)) nang ma hoi. ((hieu ve) OR (hieu va)) cam xuc van hanh vai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach tu) or (cach tu)) nang ma hoi. ((hieu ve) OR (hieu va)) cam xuc van hanh vai cua su".
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (cach tu)) nang ma hoi. ((hieu ve) OR (hieu va)) cam xuc van hanh vai cua su*.