Perhaps you should try some spelling variations:
phap tinh » phap tieng, phap tang, tap tinh
phap sinh » phau sinh, phai sinh
bang cong » dang cong, bang song, hang cong
hang cua » hang ca, huong cua, thong cua
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 ban » van ban

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 tinh) OR (phap sinh)) - hang ((hang cua) or (mang cua)) bang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((phap tinh) OR (phap sinh)) - hang ((hang cua) OR (mang cua)) bang cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((phap tinh) OR (phap sinh)) - hang ((hang cua) or (mang cua)) bang cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((phap tinh) OR (phap sinh)) - hang ((hang cua) or (mang cua)) bang cong dan toan ban*.