Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
trai quang » tran quang, thai quang, tri quang
hoc thieu » toc thieu, hoc hien
tai quang » thai quang, mai quang, cai quang
trong tan » trong quan, trong cac, trong ca
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap

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 - hanh trinh ((trai quang) OR (tai quang)) trong tan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((trai quang) OR (tai quang)) trong tan than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((trai quang) OR (tai quang)) trong tan than cao*.