Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hoang manh » hoang minh, hoang anh, hoang xanh
hoc chieu » hoc thieu, ho chieu, hoc hien
quan cung » quang cuong, quang dung, quang hung
nong manh » nong lanh, duong manh, luong manh
toan cau » toan cao, toan ban, toan tap

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 tinh - hanh trinh quan cung ((nong manh) or (hoang manh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh trinh quan cung ((nong manh) OR (hoang manh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trinh quan cung ((nong manh) or (hoang manh)) toan cau*.