Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cao tuc » dao tuc, cao duc, cao suc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
sac ky » cac ky
ve cao » va cao, ve bao, ve cac
tuc va » thuc va, truc va, tuc xa
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((hanh kem) or (((sac ky) or (sai ky)))) nang xa hoi. hieu ve cao tuc va hanh hai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((hanh kem) OR (((sac ky) OR (sai ky)))) nang xa hoi. hieu ve cao tuc va hanh hai cua tu.
• Adding a wildcard symbol may retrieve word variants: thuat ((hanh kem) or (((sac ky) or (sai ky)))) nang xa hoi. hieu ve cao tuc va hanh hai cua tu*.