Perhaps you should try some spelling variations:
thien quan » trien quang, lien quan, thien van
van hanh » van thanh, ban hanh, van anh
hanh va » hang va, hanh vi
luc van » luoc van, luu van, duc van
cam luc » cam xuc, cau luc
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach vay
sach 2 » sach y
va cua » va chua, via cua, ca cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((sach v) OR (sach 2)) nang xa hoi. ((hieu qua) or (thien quan)) cam luc van hanh va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sach v) OR (sach 2)) nang xa hoi. ((hieu qua) OR (thien quan)) cam luc van hanh va cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sach v) OR (sach 2)) nang xa hoi. ((hieu qua) or (thien quan)) cam luc van hanh va cua te".
• Adding a wildcard symbol may retrieve word variants: hoc ((sach v) OR (sach 2)) nang xa hoi. ((hieu qua) or (thien quan)) cam luc van hanh va cua te*.