Perhaps you should try some spelling variations:
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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