Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
qua cham » qua hai, qua cac, va cham
cham toc » cham soc, cac toc, cham o
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
tang ma » mang may, tang van
toc gia » toc giay, tac gia, quoc gia
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 tu ((((nang xa) OR (lang xa))) or (tang ma)) hoi. hieu qua cham toc gia thanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu ((((nang xa) OR (lang xa))) OR (tang ma)) hoi. hieu qua cham toc gia thanh dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu ((((nang xa) OR (lang xa))) or (tang ma)) hoi. hieu qua cham toc gia thanh dai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach tu ((((nang xa) OR (lang xa))) or (tang ma)) hoi. hieu qua cham toc gia thanh dai cua te*.