Perhaps you should try some spelling variations:
dap nuoc » dat nuoc, cap nuoc, dau nuoc
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
va dap » va dao, va dau
di cua » dai cua, doi cua, de cua
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: so ((sach ky) or (cac ky)) nang xa hoi. hieu va dap nuoc ((va danh) or (va dinh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ky) OR (cac ky)) nang xa hoi. hieu va dap nuoc ((va danh) OR (va dinh)) di cua te.
• Adding a wildcard symbol may retrieve word variants: so ((sach ky) or (cac ky)) nang xa hoi. hieu va dap nuoc ((va danh) or (va dinh)) di cua te*.