Perhaps you should try some spelling variations:
cam tuc » cam xuc, cam tu, nam thuc
hoi cua » hoi chuc
hai cua » thai cua, dai cua, lai cua
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tuc va » thuc va, truc va, tuc xa
can ky » van ky, ban ky, tan ky
dan ky » van ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((can ky) OR (dan ky)) nang xa hoi. hieu ve cam tuc va hanh ((hai cua) or (hoi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((can ky) OR (dan ky)) nang xa hoi. hieu ve cam tuc va hanh ((hai cua) OR (hoi cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((can ky) OR (dan ky)) nang xa hoi. hieu ve cam tuc va hanh ((hai cua) or (hoi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu ((can ky) OR (dan ky)) nang xa hoi. hieu ve cam tuc va hanh ((hai cua) or (hoi cua)) tre*.