Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
cong trong » cong thuong, duong trong, cong trinh
cong nong » cong dong, cong cong, cong luong
chi xanh » chi anh, chi danh, chi hanh
toan cao » toan ban
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh dung luan ((cong nong) or (cong trong)) tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - thanh dung luan ((cong nong) OR (cong trong)) tan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh dung luan ((cong nong) or (cong trong)) tan ((toan cao) or (toan tap))*.