Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
mai hoi » mai khoi, dai hoi, lai hoi
hieu so » thieu so
vi cua » vai cua, di cua
cho tu » choi tu, chon tu, cho cu
so cho » mo cho, so chu
sac ky » sai ky
ma hoi » xa hoi, ma hoa, me hoi
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: tu ((sac ky) OR (cac ky)) tang ((ma hoi) or (mai hoi)). hieu so cho tu va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) tang ((ma hoi) OR (mai hoi)). hieu so cho tu va thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) tang ((ma hoi) or (mai hoi)). hieu so cho tu va thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) tang ((ma hoi) or (mai hoi)). hieu so cho tu va thanh vi cua te*.