Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
anh truong » manh truong, anh thuong, anh trong
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
cao nhung » cho nhung, cam nhung, cao chung
tac toan » tap toan, hach toan, tich toan
tam toan » tap toan, tam than, pham toan

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 lang - anh truong cao nhung cong ((tac toan) or (tam toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu lang - anh truong cao nhung cong ((tac toan) OR (tam toan)) cao.
• Adding a wildcard symbol may retrieve word variants: toc thieu lang - anh truong cao nhung cong ((tac toan) or (tam toan)) cao*.