Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
lanh manh » lanh tranh, lan anh, van manh
tong cong » trong cong, cong cong, dung cong
dan khoan » dan khoa, dai khoang, toan khoan
khoan cam » khoa cam, khoan va, phan cam
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
manh cua » doanh cua, ban cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - lanh manh cua ((thong cong) or (tong cong)) dan khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - lanh manh cua ((thong cong) OR (tong cong)) dan khoan cam*.