Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
chieu sach » chinh sach, chieu sang, chieu xanh
dong trong » duong trong, dung trong, cong trong
trong hach » trong mach, trong cach, trong hanh
hach toan » thanh toan, manh toan
trang ha » trang va, trung ha, tang ha
toan cao » toan ban, toan tap
ha dong » hoat dong, van dong

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 sach) or (chiet tach)) - thanh trang ha dong trong hach toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chiet tach)) - thanh trang ha dong trong hach toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chiet tach)) - thanh trang ha dong trong hach toan cao*.