Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
dung tuong » dung thuong, dung truong, dung trong
anh trong » anh thuong, dinh trong, lang trong
tuong tac » cong tac, luong tai, tuong lai
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: toc thieu manh - ((thanh tung) or (anh trong)) quang dung tuong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - ((thanh tung) OR (anh trong)) quang dung tuong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - ((thanh tung) or (anh trong)) quang dung tuong tac toan cau*.