Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
mot chieu » doi chieu, ho chieu
quan cong » luan cong, quan dong, quan long
qua cong » cua cong, qua song, va cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (mot chieu)) xanh - hanh trinh ((quan cong) OR (qua cong)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (mot chieu)) xanh - hanh trinh ((quan cong) OR (qua cong)) cong dan toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) or (mot chieu)) xanh - hanh trinh ((quan cong) OR (qua cong)) cong dan toan ban*".