Perhaps you should try some spelling variations:
hai luom » hai luong, hai muoi, hai huoc
hieu ve » hieu va, hieu van
kem cua » em cua, keo cua, diem cua
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
hoa hoi » khoa hoi, hoa hoc, hoc hoi
luom va » luoc va, luong va, luoc van
hoa doi » hoa dai, hoc doi, xoa doi
cua te » cua tu
ve hai » ve khai, ve cai, vu hai
sac ky » cac ky, sai ky

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

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