Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
ve cam » ve cac, va cam, ve cai
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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 ((ve cam) OR (ve cham)) ((xuc va) or (tuc xa)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu nang ma hoi. hieu ((ve cam) OR (ve cham)) ((xuc va) OR (tuc xa)) hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thu nang ma hoi. hieu ((ve cam) OR (ve cham)) ((xuc va) or (tuc xa)) hanh vai cua tre*".