Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cam loc » cam lo
va danh » va dinh, va dan, va hanh
sai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi cua
y nang » ly nang, v nang, may nang
ve cam » ve cham, ve cac, va cam
loc va » hoc va, luc va

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 ((y nang) OR (ky nang)) xa hoi. hieu ve cam loc va danh ((sai cua) or (hai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ky nang)) xa hoi. hieu ve cam loc va danh ((sai cua) OR (hai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ky nang)) xa hoi. hieu ve cam loc va danh ((sai cua) or (hai cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (ky nang)) xa hoi. hieu ve cam loc va danh ((sai cua) or (hai cua)) te*.