Perhaps you should try some spelling variations:
nang cau » nang cao, hang cau, nang dau
thu sach » thuat sach, thuoc sach, thu hoach
minh hai » minh khai, tinh hai, manh hai
tu sach » su sach, te sach, tu cach
ty nang » ky nang, ty xang, ty hang
xuc van » duc van, luc van, vuc van
hai cua » thai cua, dai cua, hoi cua
cua tu » cua tuc, cua su, cua cu

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)) ty nang cau hoi. ((hieu qua) or (lieu va)) cam xuc van minh hai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ty nang cau hoi. ((hieu qua) OR (lieu va)) cam xuc van minh hai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ty nang cau hoi. ((hieu qua) or (lieu va)) cam xuc van minh hai cua tu".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) ty nang cau hoi. ((hieu qua) or (lieu va)) cam xuc van minh hai cua tu*.