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

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) OR (thuat san)) y nang xa hoi. hieu ve 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) OR (thuat san)) y nang xa hoi. hieu ve 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) OR (thuat san)) y nang xa hoi. hieu ve cam luc va ((hang di) or (hang dien)) qua su".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) OR (thuat san)) y nang xa hoi. hieu ve cam luc va ((hang di) or (hang dien)) qua su*.