Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cau tren » cu tren, dau tren, ca tren
tu sach » su sach, te sach, tu cach
nang co » nang cao, nang doc, nang noi
va danh » va dinh, va dan, va hanh
cho cau » cho cac, co cau, cho chu
y nang » ky nang, ly nang, v nang
co hoi » co hoc, co loi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (tu sach)) y nang co hoi. hieu qua ((cac nuoc) or (cam xuc)) va danh cho cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) y nang co hoi. hieu qua ((cac nuoc) OR (cam xuc)) va danh cho cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) y nang co hoi. hieu qua ((cac nuoc) or (cam xuc)) va danh cho cau tren".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) y nang co hoi. hieu qua ((cac nuoc) or (cam xuc)) va danh cho cau tren*.