Perhaps you should try some spelling variations:
hanh tran » hanh trang, thanh tran, hanh tram
van thong » van thuong, van phong, va thong
lanh toan » anh toan, thanh toan, nganh toan
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so lieu) or (ho chieu)) tinh - hanh tran van thong thong ((lanh toan) OR (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so lieu) OR (ho chieu)) tinh - hanh tran van thong thong ((lanh toan) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so lieu) or (ho chieu)) tinh - hanh tran van thong thong ((lanh toan) OR (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((so lieu) or (ho chieu)) tinh - hanh tran van thong thong ((lanh toan) OR (manh toan)) cau*.