Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trinh viet » ninh viet, trinh vat
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh vi
trinh ve » trinh he, trinh vi, trinh van
cong ban » cong bang, cong san, cong tan

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 sang - hanh ((trinh va) or (((trinh ve) OR (trinh viet)))) trong cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((trinh va) OR (((trinh ve) OR (trinh viet)))) trong cong ban thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh ((trinh va) or (((trinh ve) OR (trinh viet)))) trong cong ban thanh cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((trinh va) or (((trinh ve) OR (trinh viet)))) trong cong ban thanh cau*.