Perhaps you should try some spelling variations:
chet duoc » che duoc, cho duoc, che quoc
thanh ve » hanh ve, thanh va, thanh vien
chat duc » chat xuc, chat doc, pham duc
tu sach » thu sach, te sach, tu cach
nang ro » nang co, nang ho, nang ra
su sach » so sach, vu sach
cua tre » cua te, cuu tre, cua triet
ro hoi » co hoi, o hoi, mo hoi
ve cua » le cua, de cua, te cua

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) or (su sach)) ky nang ro hoi. lieu va ((chat duc) OR (chet duoc)) gia thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang ro hoi. lieu va ((chat duc) OR (chet duoc)) gia thanh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) ky nang ro hoi. lieu va ((chat duc) OR (chet duoc)) gia thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang ro hoi. lieu va ((chat duc) OR (chet duoc)) gia thanh ve cua tre*.