Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
tang cua » hang cua, thong cua, quang cua
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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 ((((tang cua) or (tang luan))) or (mang cua)) nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((((tang cua) OR (tang luan))) OR (mang cua)) nhung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((((tang cua) or (tang luan))) or (mang cua)) nhung cong tan toan cao*.