Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hung thang » cang thang, hung tran
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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 - hung thang ((cua thong) OR (cua tong)) cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hung thang ((cua thong) OR (cua tong)) cong tac toan tap*".