Perhaps you should try some spelling variations:
luoc dai » cuoc doi, hoc dai, duc dai
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
sach ty » sach y, sach tu, sach thu
di cua » dai cua, doi cua, de cua
cua te » cua tu
ve cac » va cac, vien cac
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: te sach ty nang ma hoi. hieu ve cac ((duc tan) or (((luoc dai) or (luc canh)))) hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ma hoi. hieu ve cac ((duc tan) OR (((luoc dai) OR (luc canh)))) hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ma hoi. hieu ve cac ((duc tan) or (((luoc dai) or (luc canh)))) hanh di cua te*.