Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh doi » thanh loi, thanh moi, thanh do
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
duc van » duc va, duc tan, duc manh
doi cua » dai cua, hoi cua
cua tuc » cua duc, cua tu, cua thuoc
ve cac » va cac, vien cac
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu hoach)) ky nang ((x hoi) or (xa hoi)). hieu ve cac duc van thanh doi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) ky nang ((x hoi) OR (xa hoi)). hieu ve cac duc van thanh doi cua tuc.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) ky nang ((x hoi) or (xa hoi)). hieu ve cac duc van thanh doi cua tuc*.