Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
tranh va » tranh van, trang va, trinh va
chan tu » han tu, chai tu, chan ta
chon tu » con tu, cho tu, choi tu

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 - canh tranh va nhung cong thanh ((((chan tu) OR (phan tu))) or (chon tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - canh tranh va nhung cong thanh ((((chan tu) OR (phan tu))) OR (chon tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chau tinh - canh tranh va nhung cong thanh ((((chan tu) OR (phan tu))) or (chon tu))".
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - canh tranh va nhung cong thanh ((((chan tu) OR (phan tu))) or (chon tu))*.