Perhaps you should try some spelling variations:
nang doc » nang luc
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
va tinh » may tinh
va hanh » van hanh, va thanh, va danh
va chat » van chat, va phat, cao chat
sach ty » sach y, sach tu, sach thu
lua tre » cua tre, luy tre, dua tren
vi lua » vi luu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((nang noi) or (nang doc)) hoi. lieu va chat xuc ((va hanh) or (va tinh)) vi lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang noi) OR (nang doc)) hoi. lieu va chat xuc ((va hanh) OR (va tinh)) vi lua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang noi) or (nang doc)) hoi. lieu va chat xuc ((va hanh) or (va tinh)) vi lua tre*.