Perhaps you should try some spelling variations:
danh dat » danh bat, dinh dat, dan dat
vu khach » vu khanh, vu khac, vay khach
hanh luc » hanh phuc, hanh luat, thanh luu
cong xua » cong cua, cong sua, cong suat
ban hanh » ban hang
su sach » so sach, vu sach
thi ban » thi lan, tai ban, tri ban
va danh » va dinh, va dan, va hanh
cong xa » cong xay, cong ha, song xa
cau tre » cau tren, cau treo, cau tra
luc va » duc va, tuc va, loc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu khach)) thi ((cong xa) OR (cong xua)) hoi. thi ban hanh luc va danh dat cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu khach)) thi ((cong xa) OR (cong xua)) hoi. thi ban hanh luc va danh dat cau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu khach)) thi ((cong xa) OR (cong xua)) hoi. thi ban hanh luc va danh dat cau tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu khach)) thi ((cong xa) OR (cong xua)) hoi. thi ban hanh luc va danh dat cau tre*.