Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
phat phap » pham phap, phap phat, luat phap
phap phan » phap phat, phap hoan, phap luan
phan phap » pham phap, phan phat, han phap
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 - thanh trung ((((phat phap) OR (phap phan))) or (phan phap)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((((phat phap) OR (phap phan))) OR (phan phap)) cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((((phat phap) OR (phap phan))) or (phan phap)) cong tan toan cau*".