Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
cua nhung » va nhung
chong van » thong van, hong van, chong va
phong van » phung van, thong van, phong va
doc hieu » toc thieu, hoc thieu, hoc hien
hieu cac » hieu luc, hieu va, hieu van
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: doc hieu cac - ((lanh tranh) or (hanh chinh)) cua nhung ((chong van) or (phong van)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu cac - ((lanh tranh) OR (hanh chinh)) cua nhung ((chong van) OR (phong van)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doc hieu cac - ((lanh tranh) or (hanh chinh)) cua nhung ((chong van) or (phong van)) toan tap*.