Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trang tuan » trung tuan, trong tuan, tran xuan
hoc chieu » hoc thieu, ho chieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
trong dan » trong dang, trong san, trong tan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 - hanh ((trang tuan) or (tran tuan)) dung trong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trang tuan) OR (tran tuan)) dung trong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trang tuan) or (tran tuan)) dung trong dan toan cao*.