Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
thang cua » thong cua, hang cua, tang cua
than cua » nhan cua, thai cua, ban cua
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) OR (than cua)) thong cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hung ((thang cua) OR (than cua)) thong cong tac toan tap*".