Perhaps you should try some spelling variations:
ltinh bang » tinh sang, tinh lang, dinh bang
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tinh bang » tinh sang, tinh lang, tinh quang
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
cho chu » cho thue
tan ban » toan ban, tang ban, van ban
ban cau » bang cau, ban can, van cau

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 (cho chu)) xanh - ((ltinh bang) or (tinh bang)) cua thong cong tan ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (cho chu)) xanh - ((ltinh bang) OR (tinh bang)) cua thong cong tan ban cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (cho chu)) xanh - ((ltinh bang) or (tinh bang)) cua thong cong tan ban cau*.