Perhaps you should try some spelling variations:
thieu tach » chieu sach, hieu cach, thieu cac
chiet tach » chieu sach
thien hach » thien thanh, hien hanh
hanh trang » thanh trung, canh tranh, hanh trinh
trong dang » truong dang, trong dan, trong dong
trang cua » tranh cua, tang cua, trung cua
dang toan » dang tran, dan toan, dung toan
cua dung » cua dang, cua dong, qua dung
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 ((((thieu tach) or (chiet tach))) or (thien hach)) - hanh trang cua dung trong dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu tach) OR (chiet tach))) OR (thien hach)) - hanh trang cua dung trong dang toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu tach) or (chiet tach))) or (thien hach)) - hanh trang cua dung trong dang toan cao*.