Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, phong chong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 sang - hanh tranh cua ((thong cong) or (thong thong)) dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - hanh tranh cua ((thong cong) OR (thong thong)) dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - hanh tranh cua ((thong cong) or (thong thong)) dan than tap*.