Perhaps you should try some spelling variations:
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
thieu cac » hieu cac, thien cac, hieu ca
trung cua » truong cua, trung tuan, trung cap
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van 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 cac - hanh ((trung cua) or (truong cao)) nhung cong ((dan toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu cac - hanh ((trung cua) OR (truong cao)) nhung cong ((dan toan) OR (dan than)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu cac - hanh ((trung cua) or (truong cao)) nhung cong ((dan toan) or (dan than)) cao*.