Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
han va » hang va, hanh va, nhan va

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) OR (theo tieu)))) sang - hanh han va nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((theo chieu) OR (theo tieu)))) sang - hanh han va nhung cong dan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((theo chieu) OR (theo tieu)))) sang - hanh han va nhung cong dan toan cao*".