Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tinh » thanh binh, nhanh tinh, than kinh
dong tuong » dong thuong, dong thong, dong duong
dong trong » duong trong, dung trong, cong trong
tinh cua » trinh cua, sinh cua, tinh chat
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien thanh)) - thanh tinh cua ((dong tuong) or (dong trong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien thanh)) - thanh tinh cua ((dong tuong) OR (dong trong)) dan than ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien thanh)) - thanh tinh cua ((dong tuong) or (dong trong)) dan than ban*.