Perhaps you should try some spelling variations:
trinh quang » tinh quang, tranh quang, trinh dung
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
trinh qua » trinh cua, trinh luat, trinh luan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ho chieu xanh - hanh ((trinh qua) or (((trinh quang) OR (trinh quan)))) trong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((trinh qua) OR (((trinh quang) OR (trinh quan)))) trong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((trinh qua) or (((trinh quang) OR (trinh quan)))) trong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trinh qua) or (((trinh quang) OR (trinh quan)))) trong cong tan toan cau*.