Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tach » thien hach, chiet tach, chieu sach
cua phuong » cuc phuong, luan phuong, xuan phuong
cuu phuong » cac phuong, thu phuong
hoc thieu » toc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
toan cau » 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 - thanh trung ((cua phuong) or (cuu phuong)) cong tan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - thanh trung ((cua phuong) OR (cuu phuong)) cong tan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - thanh trung ((cua phuong) or (cuu phuong)) cong tan ((than cau) or (toan cau))*.