Perhaps you should try some spelling variations:
trinh tinh » trinh kinh, trinh tin, trinh dinh
nhung cong » dung cong, thong cong, hang cong
doi trinh » doc trinh, doi tinh, dong trinh
trung cua » truong cua, trung tuan, trung cap
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
phan tap » phan lap, pha tap, phan tu
han tap » han tai, toan tap, nhan tai

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 - hanh ((trung cua) or (doanh cua)) nhung cong dan ((phan tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi trinh tinh - hanh ((trung cua) OR (doanh cua)) nhung cong dan ((phan tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: doi trinh tinh - hanh ((trung cua) or (doanh cua)) nhung cong dan ((phan tap) or (han tap))*.