Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
thoai cac » tai cac, thong cac, tho cac
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
thai cao » tai cao, thuat cao, toan cao
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - thanh ((trung va) or (truong dai)) dung cong dan ((thai cao) or (thoai cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh ((trung va) OR (truong dai)) dung cong dan ((thai cao) OR (thoai cac)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh ((trung va) or (truong dai)) dung cong dan ((thai cao) or (thoai cac))*.