Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
tu sach » su sach, te sach, tu cach
vu cham » va cham, vu kham, tu cham
nang ma » tang ma, sang ma, nang cao
di cua » dai cua, doi cua, de cua
xuc va » duc va, tuc va, luc va
ve cai » va cai, ve cac, ve tai
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
cua te » cua tu

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) OR (thu sach)) y nang ma hoi. hieu ((ve cai) or (vu cham)) xuc va thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang ma hoi. hieu ((ve cai) OR (vu cham)) xuc va thanh di cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y nang ma hoi. hieu ((ve cai) or (vu cham)) xuc va thanh di cua te*".