Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
phap tinh » phap sinh, phap tieng, tap tinh
phap tang » phap nang, phap tieng
cong tinh » cong trinh, cong vinh, long tinh
anh mang » hanh mang, anh bang, anh dang
toan tap » toan ban
mang va » mang vua, hang va, bang 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 ((phap tinh) or (phap tang)) - anh mang va nhung cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((phap tinh) OR (phap tang)) - anh mang va nhung cong tinh toan tap*.