Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
khach san » khach hang
cua nhung » va nhung
hanh san » thanh son, khanh son, hanh va
cong tan » cong tac, cong san, cong thanh
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - ((hanh san) or (((khach san) OR (thanh san)))) cua nhung cong tan tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - ((hanh san) OR (((khach san) OR (thanh san)))) cua nhung cong tan tran van*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chiet tach - ((hanh san) or (((khach san) OR (thanh san)))) cua nhung cong tan tran van*".