Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
canh manh » lanh manh, canh tranh, cach mang
cua thong » cua thuong, cua khong, cua tong
khoan cam » khoa cam, khoan va, phan cam
manh cua » doanh cua, ban cua
cong san » cong tac
phan lap » phan dau

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 manh cua thong cong san ((((phan tu) or (phan lap))) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - canh manh cua thong cong san ((((phan tu) OR (phan lap))) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - canh manh cua thong cong san ((((phan tu) or (phan lap))) or (khoan cam))*.