Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
trinh chat » tinh chat, trinh luat, trinh han
hieu lang » chieu sang, hieu quang, nhieu tang
chat bang » chat ban, chat quang, thuat bang
bang cong » dang cong, bang song, hang cong
cong san » cong tac
toan tai » doanh tai, toan ban, toan cao
toan tap » 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: ho ((hieu lang) or (chieu sach)) - hanh trinh chat bang cong san ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - hanh trinh chat bang cong san ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - hanh trinh chat bang cong san ((toan tai) or (toan tap))*.