Perhaps you should try some spelling variations:
lang hai » lang chai, lang thai, lang ha
su sach » so sach
han tai » hang tai, nhan tai, van tai
van han » van hanh, van phan, van nhan
luc van » luoc van, luu van, duc van
ky lang » ky nang, ky dang, ky tang
hai hoi » dai hoi, hai moi, hai hai
vu sach » vu bach, vu khach
buu tre » cuu tre
ve cam » ve cham, ve cac, va cam
va dao » ca dao

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 sach)) ky lang hai hoi. hieu ((ve cam) or (va dao)) luc van han tai buu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky lang hai hoi. hieu ((ve cam) OR (va dao)) luc van han tai buu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ky lang hai hoi. hieu ((ve cam) or (va dao)) luc van han tai buu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ky lang hai hoi. hieu ((ve cam) or (va dao)) luc van han tai buu tre*.