Perhaps you should try some spelling variations:
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
danh vai » danh sai, danh va, doanh van
tham soc » cham soc, thai son, ham so
su sach » so sach
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
vu sach » vu bach, vu khach
sang ma » tang ma, nang ma, sang tao
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
y sang » _ sang, duy sang

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)) y sang ma hoi. lieu va ((tham soc) OR (tham nuoc)) va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y sang ma hoi. lieu va ((tham soc) OR (tham nuoc)) va danh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) y sang ma hoi. lieu va ((tham soc) OR (tham nuoc)) va danh vai cua tre*".