Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
thong dang » thong dung, thong mang, thong dan
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
dang tran » dang thanh, quang tran, hoang tran
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (hieu manh)) - hanh trung ((cua thong) OR (cua khong)) thong dang tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - hanh trung ((cua thong) OR (cua khong)) thong dang tran cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu manh)) - hanh trung ((cua thong) OR (cua khong)) thong dang tran cao*".