Perhaps you should try some spelling variations:
thien van » thi van
cuu cach » cuu cac, cuoc cach, cuu dac
hoi lang » hoa lang, hoi dan
tu cach » tu cac
lang xa » lang ha, dang xay, lang van
van cac » van hac, van cau, van bac
cac toc » cac toi, cac nuoc, cac thoi
xa hanh » xa thanh, xa khanh, va hanh
toc xa » tuc xa, toc ta, hoc xa
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: ((cuu cach) or (tu cach)) hoi lang xa hoi. thien van cac toc xa hanh vi ((cau tao) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cuu cach) OR (tu cach)) hoi lang xa hoi. thien van cac toc xa hanh vi ((cau tao) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((cuu cach) or (tu cach)) hoi lang xa hoi. thien van cac toc xa hanh vi ((cau tao) or (cua te))*.