Perhaps you should try some spelling variations:
thanh trinh » thanh tinh, thanh binh, thanh trung
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, cong tan
cap trong » cay trong, ca trong, cad trong
san cao » san co, san cho, san bao

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

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