Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh quan » tinh quang, trinh luat, trinh han
quan trong » gian trong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tinh » cong trinh, cong vinh, long tinh
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: chao ((hieu manh) or (chieu tinh)) - hanh trinh quan trong cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((hieu manh) OR (chieu tinh)) - hanh trinh quan trong cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: chao ((hieu manh) or (chieu tinh)) - hanh trinh quan trong cong tinh toan cau*.