Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tram » hanh tam, hanh trang, thanh tran
van hoang » van hoan, quan hoang, tran hoang
tram van » tran van, tam van, trang van
cong tac » cong ty
pham lan » pham luan, pham van, phan lan
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 tram van hoang ((cong san) OR (cong tac)) pham lan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - hanh tram van hoang ((cong san) OR (cong tac)) pham lan".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh tram van hoang ((cong san) OR (cong tac)) pham lan*.