Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
thong den » thong dien, tuong den, thong dieu
thong dan » thong van, tuong dan, trong dan
doc hieu » toc thieu, hoc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
dung cua » dung luan, dung cho
cua dang » cua cong, cua ban
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo chu)) xanh - thanh dung cua dang ((thong den) or (thong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo chu)) xanh - thanh dung cua dang ((thong den) OR (thong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo chu)) xanh - thanh dung cua dang ((thong den) or (thong dan)) toan cao*.