Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
thu sach » tu sach, thuoc sach, thu hoach
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((thu sach) or (thuat sach)) - hanh ((tang cua) or (trung cua)) nhung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((thu sach) OR (thuat sach)) - hanh ((tang cua) OR (trung cua)) nhung cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: theo ((thu sach) or (thuat sach)) - hanh ((tang cua) or (trung cua)) nhung cong tan tran cao*.