Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tach » thien hach, chiet tach, chieu sach
hoc thieu » toc thieu, hoc hien
chua dong » cua dong, ha dong, huy dong
dan nhanh » dan hanh, dan khanh, dan thanh
nhanh cay » nhanh ha, nhanh bac, nhanh va
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan

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 - thanh trung ((cua tong) or (chua dong)) cong dan nhanh cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - thanh trung ((cua tong) OR (chua dong)) cong dan nhanh cay.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - thanh trung ((cua tong) or (chua dong)) cong dan nhanh cay*.