Perhaps you should try some spelling variations:
trinh tinh » trinh tin, trinh dinh, trinh sinh
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan tap » han tap, phan tap, chan ta

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((trinh tinh) OR (trinh kinh)) - hanh ((trung cua) or (doanh cua)) nhung cong dan chan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((trinh tinh) OR (trinh kinh)) - hanh ((trung cua) OR (doanh cua)) nhung cong dan chan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((trinh tinh) OR (trinh kinh)) - hanh ((trung cua) or (doanh cua)) nhung cong dan chan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((trinh tinh) OR (trinh kinh)) - hanh ((trung cua) or (doanh cua)) nhung cong dan chan tap*.