Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
cua dung » cua dang, cua dong, qua dung
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (hoc hien)) xanh - hanh doanh cua dung trong thanh ((phan cac) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc hien)) xanh - hanh doanh cua dung trong thanh ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (hoc hien)) xanh - hanh doanh cua dung trong thanh ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc hien)) xanh - hanh doanh cua dung trong thanh ((phan cac) OR (phan dau))*.