Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
vu sach » vu bach, su sach, vu khach
thi van » thi lan, thi hanh, thi nang
van hac » van hoc, van ha, van hai
hac duc » hoc duc, ha duc, thach duc
va hanh » van hanh, va thanh, va danh
y lang » o lang, tay lang, yen lang
_ lang » o lang, _ land
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((y lang) or (_ lang)) xa hoi. thi van hac duc va hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((y lang) OR (_ lang)) xa hoi. thi van hac duc va hanh dai cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach ((y lang) or (_ lang)) xa hoi. thi van hac duc va hanh dai cua te*.