Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
sach thue » sach thu, sach thieu, sach tham
gian cua » gian xu, ban cua
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
thuc va » thuc vat, thuc dan, thuc day
va chat » van chat, va phat, cao chat
cua te » cua tu
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ty) or (sach thue)) lang xa hoi. lieu ((va cam) or (va chat)) thuc va hanh gian cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach thue)) lang xa hoi. lieu ((va cam) OR (va chat)) thuc va hanh gian cua te.
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach thue)) lang xa hoi. lieu ((va cam) or (va chat)) thuc va hanh gian cua te*.