Perhaps you should try some spelling variations:
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hoi cua » hoi chuc
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. hieu ve cac nuoc va hanh ((di cua) or (hoi cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ve cac nuoc va hanh ((di cua) OR (hoi cua)) te.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ve cac nuoc va hanh ((di cua) or (hoi cua)) te*.