Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
truong ca » truong cao, truong va, truong dai
hang cong » dang cong, hang nong, bang cong
trong ca » trong cac, trong nha
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu tinh) or (nhieu tang)) - hanh ((truong ca) OR (trong ca)) hang cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (nhieu tang)) - hanh ((truong ca) OR (trong ca)) hang cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (nhieu tang)) - hanh ((truong ca) OR (trong ca)) hang cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (nhieu tang)) - hanh ((truong ca) OR (trong ca)) hang cong tac toan ban*.