Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
cong tuan » cong tan, cong luan, cong thanh
tuan dung » tuan duong, tran dung, tan dung
dung dung » ung dung, dung ung, dung dong
dung gian » duong gian, dung giao, dung giam
gian than » gian thanh, gian thai, giay thanh
than cap » khan cap, thanh lap, thanh cac
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) or (hieu ca)) - thanh cong tuan dung dung gian than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (hieu ca)) - thanh cong tuan dung dung gian than cap*.