Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
minh tuan » anh tuan
bang cong » dang cong, bang song, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan cao » quang cao, quan cau, quan ao
va bang » va nang, va lang, va ban

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 - ((minh tuan) or (canh tranh)) va bang cong tan quan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - ((minh tuan) OR (canh tranh)) va bang cong tan quan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - ((minh tuan) or (canh tranh)) va bang cong tan quan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - ((minh tuan) or (canh tranh)) va bang cong tan quan cao*.