Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
y lang » o lang, _ lang, tay lang
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
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 lang xa hoi. hieu ve cham ((xuc va) or (tuc xa)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y lang xa hoi. hieu ve cham ((xuc va) OR (tuc xa)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y lang xa hoi. hieu ve cham ((xuc va) or (tuc xa)) hanh vi cua te*.