Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, mot chieu
cong danh » cuong danh, cong dan, cong thanh
danh tuan » anh tuan, manh tuan, danh thanh
ho chieu » theo chieu, hoc thieu, mot chieu
tuan ban » tuan bang, toan ban, luan 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 - ((thanh trung) OR (thanh tung)) toan thong cong danh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - ((thanh trung) OR (thanh tung)) toan thong cong danh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - ((thanh trung) OR (thanh tung)) toan thong cong danh tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - ((thanh trung) OR (thanh tung)) toan thong cong danh tuan ban*.