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
long cua » luong cua, dong cua, song cua
cong cua » dong cua, huong cua, thong cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
cong cu » chung cu

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 - nhanh ((long cua) or (((cong cua) OR (cong cu)))) nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - nhanh ((long cua) OR (((cong cua) OR (cong cu)))) nhung cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - nhanh ((long cua) or (((cong cua) OR (cong cu)))) nhung cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - nhanh ((long cua) or (((cong cua) OR (cong cu)))) nhung cong tan toan cao*.