Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
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 xanh - hanh trinh cua thong ((huong dan) or (cong san)) ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh cua thong ((huong dan) OR (cong san)) ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh cua thong ((huong dan) or (cong san)) ((toan ban) or (toan tap))*.