Perhaps you should try some spelling variations:
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
dong cong » duong cong, dung cong, dang cong
mang cua » manh cua, dung cua, ban cua
cong van » cong vang, cong san, song van
toan cau » toan ban, toan tap, toan tai
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 - hanh ((dung luan) or (mang cua)) dong cong van ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - hanh ((dung luan) OR (mang cua)) dong cong van ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - hanh ((dung luan) or (mang cua)) dong cong van ((toan cau) or (toan cao))*.