Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
thu cach » thuc cach, thu canh, tu cach
va thanh » gia thanh, ban thanh, va tinh
cach tu » cach thuc
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
cam tu » cam thu, nam tu, dam tu
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach tu ((nang xa) OR (lang xa)) hoi. hieu ve cam tu va thanh lai ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach tu ((nang xa) OR (lang xa)) hoi. hieu ve cam tu va thanh lai ((cua triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach tu ((nang xa) OR (lang xa)) hoi. hieu ve cam tu va thanh lai ((cua triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: thu cach tu ((nang xa) OR (lang xa)) hoi. hieu ve cam tu va thanh lai ((cua triet) or (cuu tre))*.