Perhaps you should try some spelling variations:
lanh tranh » lan tranh, hanh trinh, sach tranh
doi chieu » doc hieu, doi chi, mot chieu
thong tan » thong than, thong tran, thong tin
ho chieu » theo chieu, hoc thieu, mot chieu
va thong » va thuong, va phuong, he thong
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) xanh - ((lanh tranh) or (canh tranh)) va thong thong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - ((lanh tranh) OR (canh tranh)) va thong thong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) xanh - ((lanh tranh) or (canh tranh)) va thong thong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) xanh - ((lanh tranh) or (canh tranh)) va thong thong tan toan ban*.