Perhaps you should try some spelling variations:
tong cong » trong cong, cong cong, dung cong
cong than » cong thanh, cong thang, cong tan
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
tranh va » tranh van, trang va, thanh va
trinh va » trinh van, trinh vat, trinh ve
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien anh - canh ((tranh va) or (trinh va)) tong cong than ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - canh ((tranh va) OR (trinh va)) tong cong than ((phan cac) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - canh ((tranh va) or (trinh va)) tong cong than ((phan cac) or (phan lap))*.