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
cong tan » cong tac, cong san, cong thanh
tan thai » tay thai, ban thai, tan tai
thai cao » tai cao, thoai cac, thuat cao
va bang » va nang, va lang, va hang
va ban » van ban, va bai, va bao

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 ((va bang) OR (va ban)) cong tan thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - thanh trung ((va bang) OR (va ban)) cong tan thai cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - thanh trung ((va bang) OR (va ban)) cong tan thai cao*.