Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thinh doan » chinh doanh, hinh toan, thi doan
trong vang » trong van, trong dang, trong tang
hoc chieu » hoc thieu, ho chieu, hoc hien
vang van » dang van, tang van, lang van
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - thinh doan va dung trong vang van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thinh doan va dung trong vang van ban*.