Perhaps you should try some spelling variations:
khien bang » phien ban, khien dong
hanh trang » thanh trung, canh tranh, hanh trinh
hoc khien » hoc hien, hoc nghien, hoc thieu
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong vinh » trong vinh, cong viec, cong viet
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: hoc khien bang - hanh trang cua nhung ((cong vinh) or (cong trinh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc khien bang - hanh trang cua nhung ((cong vinh) OR (cong trinh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc khien bang - hanh trang cua nhung ((cong vinh) or (cong trinh)) toan tap*.