Perhaps you should try some spelling variations:
cap nuoc » dat nuoc
nuoc van » nuoc va, nuoc san, luoc van
van hanh » van thanh, ban hanh, van anh
dua tren » dung tren
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
bai ky » ban ky, sai ky, dai ky
bac ky » cac ky, ban ky, sac ky
va cap » va cac, va dap, va cao
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: thuat ((bai ky) OR (bac ky)) nang xa hoi. hieu va cap nuoc van hanh vi ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((bai ky) OR (bac ky)) nang xa hoi. hieu va cap nuoc van hanh vi ((dua tren) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((bai ky) OR (bac ky)) nang xa hoi. hieu va cap nuoc van hanh vi ((dua tren) or (cua te))*".