Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
thong cong » trong cong, tong cong, thong thong
hoc thieu » hoc hien
cua thong » cua thuong, cua khong, cua tong
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, than man, nhuan ban
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: ((hoc thieu) OR (toc thieu)) xanh - thanh dung cua thong cong tan ((than ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - thanh dung cua thong cong tan ((than ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - thanh dung cua thong cong tan ((than ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) xanh - thanh dung cua thong cong tan ((than ban) or (toan ban))*.