Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
phat duy » pham duy, phat huy, phan duy
te sach » toc sach
nang ma » sang ma, nang cao, mang may
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
duy gia » duy gian, duc gia, quy 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 _ ((nang ma) OR (tang ma)) hoi. hieu va phat duy gia thanh dai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach _ ((nang ma) OR (tang ma)) hoi. hieu va phat duy gia thanh dai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach _ ((nang ma) OR (tang ma)) hoi. hieu va phat duy gia thanh dai cua te*.