Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
canh tran » canh tranh, hanh trang, banh trang
van thong » van thuong, van phong, va thong
hoc lieu » hoc dieu, hoc sieu, hoc tieu
tran van » luan van
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc lieu tinh - canh tran van thong cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc lieu tinh - canh tran van thong cong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc lieu tinh - canh tran van thong cong dan ((phan cau) or (phan cac))*.