Perhaps you should try some spelling variations:
nuoc van » nuoc va, nuoc san, luoc van
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
cua tre » cuu tre, cua triet, dua tren
va nha » va nho, ve nha
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: vu sach y ((nang xa) or (tang ma)) hoi. lieu va nha nuoc van hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y ((nang xa) OR (tang ma)) hoi. lieu va nha nuoc van hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach y ((nang xa) or (tang ma)) hoi. lieu va nha nuoc van hanh vi ((cua tre) or (cua te))*.