Perhaps you should try some spelling variations:
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
tran tuan » tran quang, tran thanh, tranh luan
tran xuan » tran quang, tran van
nang cong » nang song, dang cong, bang cong
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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: theo chau tinh - hanh ((tran tuan) OR (tran xuan)) nang cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - hanh ((tran tuan) OR (tran xuan)) nang cong tac ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chau tinh - hanh ((tran tuan) OR (tran xuan)) nang cong tac ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - hanh ((tran tuan) OR (tran xuan)) nang cong tac ((toan cau) or (toan cao))*.