Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
hanh hang » thanh hang, hang hang, hanh han
cua thong » cua thuong, cua khong, cua tong
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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 hang cua thong cong tan ((tran ban) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - hanh hang cua thong cong tan ((tran ban) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - hanh hang cua thong cong tan ((tran ban) or (tran van))*.