Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau
vi tinh » va tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((bi tinh) or (vi tinh)) - thanh ((trung cua) or (trung cap)) thong cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((bi tinh) OR (vi tinh)) - thanh ((trung cua) OR (trung cap)) thong cong dan phan dau.
• Adding a wildcard symbol may retrieve word variants: doi ((bi tinh) or (vi tinh)) - thanh ((trung cua) or (trung cap)) thong cong dan phan dau*.