Perhaps you should try some spelling variations:
phap tang » phap nang
thanh cac » hanh cac, thanh bac, thanh ca
anh hang » anh hoang, anh hung, anh bang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
hang ca » hang va, nang cao, hang tai
ca cong » cua cong, cac cong, cao cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((phap tieng) or (phap tang)) - anh hang ca cong ((cong dan) OR (cong san)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((phap tieng) OR (phap tang)) - anh hang ca cong ((cong dan) OR (cong san)) thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((phap tieng) or (phap tang)) - anh hang ca cong ((cong dan) OR (cong san)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: theo ((phap tieng) or (phap tang)) - anh hang ca cong ((cong dan) OR (cong san)) thanh cac*.