Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
thi hieu » thi chieu, thi hien, thi dieu
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 (thi hieu)) xanh - ((hanh manh) or (hanh mang)) cua thong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi hieu)) xanh - ((hanh manh) OR (hanh mang)) cua thong cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi hieu)) xanh - ((hanh manh) or (hanh mang)) cua thong cong san toan ban*.