Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
van bao » van dao
va hanh » van hanh, va thanh, ban hanh
lai cua » dai cua, hai cua, lai chau
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
va dan » ca dan, va dao, va dau
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 o lang xa hoi. thi ((van ban) OR (van bao)) duc ((va hanh) OR (va dan)) lai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach o lang xa hoi. thi ((van ban) OR (van bao)) duc ((va hanh) OR (va dan)) lai cua te".
• Adding a wildcard symbol may retrieve word variants: vu sach o lang xa hoi. thi ((van ban) OR (van bao)) duc ((va hanh) OR (va dan)) lai cua te*.