Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua trung » cua truong, xuan trung, cua nhung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 - hanh trung cua trung uong ((dan toan) OR (dan than)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - hanh trung cua trung uong ((dan toan) OR (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh trung cua trung uong ((dan toan) OR (dan than)) cao*.