Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tham » trung tam, trung thanh, trung thang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
thao kha » thao khoa, tham khao, thai khoa
kha nang » phap nang, ky nang, ki nang
toan tap » toan ban
toan cao » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thao kha nang - thanh trung tham ((nhung cong) OR (thong cong)) dan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thao kha nang - thanh trung tham ((nhung cong) OR (thong cong)) dan ((toan tap) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thao kha nang - thanh trung tham ((nhung cong) OR (thong cong)) dan ((toan tap) or (toan cao))*".