Perhaps you should try some spelling variations:
toc cach » hoc cach, toc sach, truoc cach
duc manh » suc manh, duc anh, duc minh
cach tu » cach thuc
tu lang » cu lang, tu lanh, xu lang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
tuan vi » quan vi, luan vi, quans vi
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc cach tu lang xa hoi. hieu va cam ((duc manh) or (duc tan)) tuan vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc cach tu lang xa hoi. hieu va cam ((duc manh) OR (duc tan)) tuan vi cua tre*.