Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien tinh » khien tinh, thien tinh, bien tinh
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
cong dan » cong san, cong tan, huong dan
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - thanh ((trung va) OR (trung ha)) nhung cong dan thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tinh - thanh ((trung va) OR (trung ha)) nhung cong dan thai cao".
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - thanh ((trung va) OR (trung ha)) nhung cong dan thai cao*.