Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hung thong » chung thong, hung thang, dung thong
duong cong » dung cong, luong cong, duong trong
hoc thieu » toc thieu, hoc hien
sang than » cang thang, dang thanh, sang tao
thong va » thong cua, truong va, thong qua
va duong » van duong, va tuong, va huong
san than » san thanh, 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 - hung thong va duong cong ((san than) or (sang than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - hung thong va duong cong ((san than) OR (sang than)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hung thong va duong cong ((san than) or (sang than)) cao*.