Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
nhung cong » thong cong, hang cong, nhung don
soc thiet » hoc thiet, so thiet, toc thieu
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
dung cong » dung trong
dan toan » van toan, dan than, manh toan
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: soc thiet tach - hanh tang luan ((nhung cong) or (dung cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: soc thiet tach - hanh tang luan ((nhung cong) OR (dung cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: soc thiet tach - hanh tang luan ((nhung cong) or (dung cong)) dan toan cao*.