Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
va cham » va chat, va tham
hang di » hang doi, hang vi, hang dien
y nang » ky nang, ly nang, v nang
uoc va » nuoc va, duoc va, quoc va
loc va » hoc va, luc va
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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 (thuat sach)) y nang x hoi. lieu va cham ((uoc va) or (loc va)) hang di cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) y nang x hoi. lieu va cham ((uoc va) OR (loc va)) hang di cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuat sach)) y nang x hoi. lieu va cham ((uoc va) or (loc va)) hang di cua tu*".