Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh va » tranh van, trang va, trinh va
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan 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 tieu xanh - hanh tranh va ((thong cong) or (dung trong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tranh va ((thong cong) OR (dung trong)) dan phan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tranh va ((thong cong) or (dung trong)) dan phan cau*.