Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
theo chieu » theo tieu, ho chieu, theo chu
trinh cua » tinh cua, trinh luat, trinh quan
cong cong » cong dong, trong cong, dung cong
cong van » cong vang, cong san, song van
toan cao » toan ban, toan tap
tao cao » bao cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (theo chieu)) xanh - thanh trinh cua cong cong van ((tao cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (theo chieu)) xanh - thanh trinh cua cong cong van ((tao cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (theo chieu)) xanh - thanh trinh cua cong cong van ((tao cao) or (toan cao))*.