Perhaps you should try some spelling variations:
thong tran » thong than, thong tren, phuong tran
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
van thong » van thuong, van phong, va thong
thong tan » thong than, thong tin, thong van
phan cac » nhan cach, phan dau, phan lap

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 (doi chieu)) xanh - canh tranh van thong ((thong tan) OR (thong tran)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - canh tranh van thong ((thong tan) OR (thong tran)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) xanh - canh tranh van thong ((thong tan) OR (thong tran)) phan cac".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - canh tranh van thong ((thong tan) OR (thong tran)) phan cac*.