Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
hoc sach » hoc sinh, hoc cac, hoc anh
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
hieu ve » hieu van
danh xa » danh ca, dinh xa, canh xa
ky danh » ky anh, ky dang
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: ((te sach) or (hoc sach)) ky danh xa hoi. ((hieu ve) OR (hieu va)) cam duc va thanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (hoc sach)) ky danh xa hoi. ((hieu ve) OR (hieu va)) cam duc va thanh dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (hoc sach)) ky danh xa hoi. ((hieu ve) OR (hieu va)) cam duc va thanh dai cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) ky danh xa hoi. ((hieu ve) OR (hieu va)) cam duc va thanh dai cua te*.