Perhaps you should try some spelling variations:
toc sach » hoc sach, thuoc sach, nuoc sach
cham xuc » cam xuc, chat xuc, cham soc
doc sach » hoc sach, nuoc sach, dac sac
van hanh » van thanh, ban hanh, van anh
va danh » va dinh, va dan, va hanh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang ha » nang hai, nang han, nang hoa
ha hoi » hoa hoi, ha noi, xa hoi
di cua » dai cua, doi cua, de cua
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: ((toc sach) OR (doc sach)) ky nang ha hoi. hieu va cham xuc ((van hanh) or (va danh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ky nang ha hoi. hieu va cham xuc ((van hanh) OR (va danh)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (doc sach)) ky nang ha hoi. hieu va cham xuc ((van hanh) or (va danh)) di cua te".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (doc sach)) ky nang ha hoi. hieu va cham xuc ((van hanh) or (va danh)) di cua te*.