Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
chieu qua » hieu qua, khien qua, hieu cua
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
than sao » than so, than vao, thanh san
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 chieu qua - ((hanh trinh) or (nhan sinh)) va nhung cong dan ((than sao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu qua - ((hanh trinh) OR (nhan sinh)) va nhung cong dan ((than sao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu qua - ((hanh trinh) or (nhan sinh)) va nhung cong dan ((than sao) or (toan tap))*.