Perhaps you should try some spelling variations:
trinh chuan » trinh han, trinh quan, trinh phan
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh luan » trinh luat, trinh quan, trinh han
nang cong » nang song, dang cong, bang cong
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh ((trinh chuan) OR (trinh luan)) nang cong van tan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh ((trinh chuan) OR (trinh luan)) nang cong van tan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((trinh chuan) OR (trinh luan)) nang cong van tan tap*.