Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, chau tuyet
cau trieu » cac trieu, cau triet, chua trieu
sach vuc » sach duoc, sach nuoc, sach truc
vuc nang » cuc nang, vu nang, chuc nang
hanh hai » thanh hai, nhanh hai, hang hai
va hanh » van hanh, va thanh, va danh
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
va chat » van chat, va phat, cao chat
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam
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 vuc nang ma hoi. hieu ((ve cam) or (va chat)) xuc va hanh hai ((chau triet) or (cau trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach vuc nang ma hoi. hieu ((ve cam) OR (va chat)) xuc va hanh hai ((chau triet) OR (cau trieu)).
• Adding a wildcard symbol may retrieve word variants: te sach vuc nang ma hoi. hieu ((ve cam) or (va chat)) xuc va hanh hai ((chau triet) or (cau trieu))*.