Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
qua rau » qua bau, qua dau, qua lau
rau qua » cau qua
qua van » quan van, qua ban, qua san
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua
de cua » te cua, dieu cua
le cua » ly cua

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 y nang xa hoi. hieu qua rau qua van hanh ((vi cua) or (((de cua) or (le cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu qua rau qua van hanh ((vi cua) OR (((de cua) OR (le cua)))) tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu qua rau qua van hanh ((vi cua) or (((de cua) or (le cua)))) tre*.