Perhaps you should try some spelling variations:
van nhuong » van chuong, van phuong, van huong
thieu sach » chieu sach, thien hach, hieu cach
thien van » thi van
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » va nhung, van hung, van phung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) or (thien van)) - hanh tran ((van nhung) or (van nhuong)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien van)) - hanh tran ((van nhung) OR (van nhuong)) cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (thien van)) - hanh tran ((van nhung) or (van nhuong)) cong tan toan cao*.