Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thanh toan » thanh hoa, thanh san, tinh toan
trinh cua » tinh cua, trinh luat, trinh quan
hang dong » hang nong, hanh dong, lang dong
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu
toan tap » toan ban

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

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