Perhaps you should try some spelling variations:
thanh tung » thanh cong
khong cong » thong cong, khong cang, chong cong
hoc tieng » hoc hien
cao khong » cao phong, cat khong, dao khong
tung cao » nung cao, truong cao, trung cap
cong dan » cong san, cong tan, huong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieng anh - thanh tung cao khong cong dan ((than cau) OR (phan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tieng anh - thanh tung cao khong cong dan ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc tieng anh - thanh tung cao khong cong dan ((than cau) OR (phan cau))*.