Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
trinh thi » trinh tai, dinh thi, trinh tu
nang cong » nang song, dang cong, bang cong
tinh thi » tinh thai, dinh thi, ninh thi
phan tap » phan lap, han tap, pha tap
toan tap » toan ban

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 - nhanh ((tinh thi) or (trinh thi)) nang cong thanh ((phan tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - nhanh ((tinh thi) OR (trinh thi)) nang cong thanh ((phan tap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - nhanh ((tinh thi) or (trinh thi)) nang cong thanh ((phan tap) or (toan tap))*.