Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
theo chieu » theo tieu, ho chieu, theo chu
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua khong » hua khong, cua phuong, cua thuong
dan chan » dan gian, van chat

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 (toc thieu)) xanh - hanh trinh cua khong thong ((dan chan) OR (dan ca)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (toc thieu)) xanh - hanh trinh cua khong thong ((dan chan) OR (dan ca)) cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (toc thieu)) xanh - hanh trinh cua khong thong ((dan chan) OR (dan ca)) cac".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (toc thieu)) xanh - hanh trinh cua khong thong ((dan chan) OR (dan ca)) cac*.