Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, thi chieu
lanh manh » lanh tranh, lan anh, van manh
theo chu » cho chu, chao chu, theo yeu
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
manh va » hanh va, anh va, minh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo chu)) sang - lanh manh va nhung cong dan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sang - lanh manh va nhung cong dan ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) sang - lanh manh va nhung cong dan ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) sang - lanh manh va nhung cong dan ((toan tai) or (toan cao))*.