Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thang cua » thong cua, hang cua, than cua
trung cap » truong cao, trung tam
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sach - hanh ((thang cua) or (trung cap)) dung cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - hanh ((thang cua) OR (trung cap)) dung cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - hanh ((thang cua) or (trung cap)) dung cong san van ban*.