Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh chua » trinh chuan, trinh cua, trinh chu
hoc thieu » toc thieu, hoc hien
chua dong » cua dong, ha dong, huy dong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tap » toan ban
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (cho chu)) xanh - hanh trinh chua dong ((cong dan) OR (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (cho chu)) xanh - hanh trinh chua dong ((cong dan) OR (cong san)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (cho chu)) xanh - hanh trinh chua dong ((cong dan) OR (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (cho chu)) xanh - hanh trinh chua dong ((cong dan) OR (cong san)) toan tap*.