Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
khach ty » sach ty
hanh doi » thanh doi, hanh noi, hang doi
cham duc » pham duc, cham soc, pham duy
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
sang ma » tang ma, nang ma, sang tao
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ty ((((nang xa) or (lang xa))) or (sang ma)) hoi. hieu ve cham duc va hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ty ((((nang xa) OR (lang xa))) OR (sang ma)) hoi. hieu ve cham duc va hanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu khach ty ((((nang xa) or (lang xa))) or (sang ma)) hoi. hieu ve cham duc va hanh doi cua tre*.