Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chua » tranh cua, trinh chuan, tranh chap
cong thanh » dong thanh, cong trinh, cong tan
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
chua bang » chu bang, chua nang, chua xang
bang cong » dang cong, bang song, hang cong
toan tai » doanh tai, toan ban, von tai
toan tap » toan ban
toan cao » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh tranh chua bang cong thanh ((((toan tai) or (toan tap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh tranh chua bang cong thanh ((((toan tai) OR (toan tap))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh tranh chua bang cong thanh ((((toan tai) or (toan tap))) or (toan cao))*.