Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
manh thong » anh thong, manh tuong, manh thang
mang thong » mang trong, hang thuong, dang thuong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
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: hoc thieu tinh - ((manh thong) or (mang thong)) cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((manh thong) OR (mang thong)) cua nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((manh thong) or (mang thong)) cua nhung cong tac toan cau*.