Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
van tuan » van quan, van ban, anh tuan
xuc van » duc van, luc van, vuc van
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, xach tay
cao hoc » co hoc, cho hoc, chat hoc
ve cam » ve cham, ve cac, va cam
vi cua » di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ty) or (sach thu)) nang cao hoc. hieu ve cam xuc van tuan ((vi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ty) OR (sach thu)) nang cao hoc. hieu ve cam xuc van tuan ((vi cua) OR (vai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: so ((sach ty) or (sach thu)) nang cao hoc. hieu ve cam xuc van tuan ((vi cua) or (vai cua)) tre*.