Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hang dien » quang dien, dang dieu, nhan dien
hang di » hang doi, hang vi, hang dich
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, ve cac, ve cai
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y nang xa hoi. hieu ((ve cam) OR (va cam)) luc va ((hang di) or (hang dien)) qua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. hieu ((ve cam) OR (va cam)) luc va ((hang di) OR (hang dien)) qua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang xa hoi. hieu ((ve cam) OR (va cam)) luc va ((hang di) or (hang dien)) qua su".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. hieu ((ve cam) OR (va cam)) luc va ((hang di) or (hang dien)) qua su*.