Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
hoc thiet » hoc thuyet, hoc hien, toc thieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong van » cong vang, song van, cong tan
cong san » cong tac
toan ban » van 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 thieu) or (hoc thiet)) tach - hanh trinh cua nhung ((cong van) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc thiet)) tach - hanh trinh cua nhung ((cong van) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc thiet)) tach - hanh trinh cua nhung ((cong van) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc thiet)) tach - hanh trinh cua nhung ((cong van) OR (cong san)) toan ban*.