Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
anh truong » manh truong, anh thuong, anh trong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
truong va » truong dai, truong cao, truong dao
tac toan » tap toan, tam toan, hach toan
tam than » ban than

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