Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
quan tong » quan trong, quan dong, quan long
theo chu » theo chieu, cho chu, chao chu
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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 (theo chu)) xanh - hanh trinh quan tong ((cong ban) OR (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - hanh trinh quan tong ((cong ban) OR (cong tan)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo chu)) xanh - hanh trinh quan tong ((cong ban) OR (cong tan)) than cap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) xanh - hanh trinh quan tong ((cong ban) OR (cong tan)) than cap*.