Perhaps you should try some spelling variations:
khong thong » khong trong, thong thuong, phong chong
theo chieu » theo tieu, ho chieu, theo chu
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dan chan » dan gian, dan ca, van chat
chan cac » phan cac, chon cac, nhan cach

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) OR (thong thong)) dan chan 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) OR (thong thong)) dan chan 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) OR (thong thong)) dan chan cac".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (toc thieu)) xanh - hanh trinh cua ((khong thong) OR (thong thong)) dan chan cac*.