Perhaps you should try some spelling variations:
hanh lam » thanh lap, hanh kem, hanh va
tay tang » tay lang, tay trung, tay quang
tang mai » tang ma, tang tai, lang mai
van hanh » van thanh, ban hanh, van anh
su sach » so sach
va tham » van tham, va thanh, va thuat
lam cua » nam cua, lam chat
duc van » duc va, duc tan, duc manh
va cham » va chat
mai hoi » mai khoi, dai hoi, lai hoi
vu sach » vu bach, vu khach
cua tre » cua te, cuu tre, cua triet

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)) tay tang mai hoi. hieu ((va cham) OR (va tham)) duc van hanh lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) tay tang mai hoi. hieu ((va cham) OR (va tham)) duc van hanh lam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) tay tang mai hoi. hieu ((va cham) OR (va tham)) duc van hanh lam cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) tay tang mai hoi. hieu ((va cham) OR (va tham)) duc van hanh lam cua tre*.