Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
sach ty » sach y, sach tu, sach thu
anh vai » anh bai, anh van, anh tai
anh va » hanh va
cua tu » cua tuc, cua su, cua te
luc va » duc va, tuc va, loc va
ve cac » va cac, vien cac
cua cu » cua chu, cua cau, cua su

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 ty nang ma hoa. hieu ve cac luc va ((anh vai) or (anh va)) ((cua tu) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ma hoa. hieu ve cac luc va ((anh vai) OR (anh va)) ((cua tu) OR (cua cu)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoa. hieu ve cac luc va ((anh vai) or (anh va)) ((cua tu) or (cua cu))*.