Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
hieu vu » hieu va, hieu ve, hieu su
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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 thu nang ma hoi. ((hieu vu) or (hieu van)) cham xuc ((van hanh) or (ban hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu nang ma hoi. ((hieu vu) OR (hieu van)) cham xuc ((van hanh) OR (ban hanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach thu nang ma hoi. ((hieu vu) or (hieu van)) cham xuc ((van hanh) or (ban hanh)) vi cua tre*.