Perhaps you should try some spelling variations:
trinh cua » tinh cua, trinh luat, trinh quan
hang cong » dang cong, hang nong, bang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
khi xanh » khia canh, thi anh, thi oanh
thi hanh » thi thanh
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: doi ((khi xanh) OR (thi hanh)) - hanh ((trinh cua) or (tinh chat)) hang cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi xanh) OR (thi hanh)) - hanh ((trinh cua) OR (tinh chat)) hang cong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((khi xanh) OR (thi hanh)) - hanh ((trinh cua) or (tinh chat)) hang cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((khi xanh) OR (thi hanh)) - hanh ((trinh cua) or (tinh chat)) hang cong manh toan cau*.