Perhaps you should try some spelling variations:
hieu ket » hieu kem, thien ket, lien ket
va danh » va dinh, va dan, va hanh
cau luc » cau truc, cau phuc
te sach » toc sach
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
ra hoi » ra khoi, xa hoi, va hoi
luc va » duc va, tuc va, loc va
di cua » doi cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ly nang) OR (ly vang)) ra hoi. hieu ket cau luc va danh ((di cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) ra hoi. hieu ket cau luc va danh ((di cua) OR (dai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) OR (ly vang)) ra hoi. hieu ket cau luc va danh ((di cua) or (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) OR (ly vang)) ra hoi. hieu ket cau luc va danh ((di cua) or (dai cua)) tre*.