Perhaps you should try some spelling variations:
nhanh mang » hanh mang, nhanh quang, nhanh thang
chiet tach » chieu sach
nhanh lang » nhanh quang, nhanh thang, nhan dang
thong cong » trong cong, tong cong, thong thong
ho chiet » ho chieu, ho thiet, hoc thiet
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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: ho chiet tach - ((anh tang) or (((nhanh mang) OR (nhanh lang)))) he thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((anh tang) OR (((nhanh mang) OR (nhanh lang)))) he thong cong tac toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((anh tang) or (((nhanh mang) OR (nhanh lang)))) he thong cong tac toan cau*".