Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
kieu tinh » lieu tinh, trieu tinh, diep tinh
trinh cua » tinh cua, trinh luat, trinh quan
bang cong » bang song, hang cong, cong cong
dung cong » dung trong
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau
ho kieu » ho lieu, so kieu, thi kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho kieu tinh - hanh trinh cua ((dang cong) or (((bang cong) or (dung cong)))) dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho kieu tinh - hanh trinh cua ((dang cong) OR (((bang cong) OR (dung cong)))) dan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho kieu tinh - hanh trinh cua ((dang cong) or (((bang cong) or (dung cong)))) dan phan dau*.