Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tran » hanh trang, thanh tran, thanh trang
hanh tram » hanh tam, hanh trang, thanh tran
va phuong » va thuong, cac phuong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
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 tran) OR (hanh tram)) va phuong cong tan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((hanh tran) OR (hanh tram)) va phuong cong tan ((toan ban) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - ((hanh tran) OR (hanh tram)) va phuong cong tan ((toan ban) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((hanh tran) OR (hanh tram)) va phuong cong tan ((toan ban) or (toan tap))*.