Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hang cong » dang cong, hang nong, bang cong
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
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 ((thong quan) or (mang cua)) hang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((thong quan) OR (mang cua)) hang cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((thong quan) or (mang cua)) hang cong dan toan cao*.