Perhaps you should try some spelling variations:
thanh long » thanh cong, thang long, thanh huong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap
long va » luong va, long van, blong va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - thanh long va nhung ((cong dan) or (cong san)) ((than tap) OR (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh long va nhung ((cong dan) OR (cong san)) ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - thanh long va nhung ((cong dan) or (cong san)) ((than tap) OR (phan tap))".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh long va nhung ((cong dan) or (cong san)) ((than tap) OR (phan tap))*.