Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tang » hanh trang, anh tang, hanh mang
van thong » van thuong, van phong, va thong
tang van » dang van, hoang van, trong van
dan than » dan chan, ban than, van than
ho lieu » so lieu, co lieu, ho kieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh tang van thong cong ((xuan toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh tang van thong cong ((xuan toan) OR (dan than)) cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh tang van thong cong ((xuan toan) or (dan than)) cao*.