Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tay dang » tay dong, tay lang, tay tang
tay dung » xay dung, tac dung, tay nung
hanh hai » thanh hai, nhanh hai, hang hai
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xay hoi » xa hoi, tay hoi, cay phoi
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((tay dang) or (tay dung)) xay hoi. hieu ve cac xuc va hanh hai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((tay dang) OR (tay dung)) xay hoi. hieu ve cac xuc va hanh hai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thu sach ((tay dang) or (tay dung)) xay hoi. hieu ve cac xuc va hanh hai ((cua tre) or (cua te))*.