Perhaps you should try some spelling variations:
tuan khoan » tuan hoan, toan khoan, toan khoa
tang luan » dung luan
hang cong » dang cong, hang nong, bang cong
cong tuan » cong tan, cong luan, cong thanh
khoan tai » khoa tai, khoan bai, khon tai
theo chu » theo chieu, chao chu, theo yeu
tang cua » mang cua, hang cua, thong cua
cho chu » cho thue

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) or (cho chu)) sang - hanh ((tang cua) or (tang luan)) hang cong tuan khoan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (cho chu)) sang - hanh ((tang cua) OR (tang luan)) hang cong tuan khoan tai.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (cho chu)) sang - hanh ((tang cua) or (tang luan)) hang cong tuan khoan tai*.