Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
hanh doi » thanh doi, hanh noi, hang doi
hieu ve » hieu va, hieu van
doi cua » dai cua, hoi cua
sach lo » sach dao, sach doi, sach hoi
va hanh » van hanh, va thanh, va danh
sach ly » sach y, sach ty, sach hay
xuc va » duc va, tuc va, luc va
cua te » cua tu
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ly) OR (sach lo)) vang ((ma hoi) or (mai khoi)). hieu ve cam xuc va hanh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach lo)) vang ((ma hoi) OR (mai khoi)). hieu ve cam xuc va hanh doi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) OR (sach lo)) vang ((ma hoi) or (mai khoi)). hieu ve cam xuc va hanh doi cua te*".