Perhaps you should try some spelling variations:
thi nang » thi cong, ki nang, thi hanh
van hanh » van thanh, ban hanh, van anh
hanh tri » thanh tri, hanh tai, hanh trinh
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh
hac xuc » chat xuc
xuc van » duc van, luc van, vuc van
sac ky » cac ky, sai ky
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: so ((sach ky) OR (sac ky)) nang xa hoi. ((thi van) or (thi nang)) hac xuc van hanh tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ky) OR (sac ky)) nang xa hoi. ((thi van) OR (thi nang)) hac xuc van hanh tri cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ky) OR (sac ky)) nang xa hoi. ((thi van) or (thi nang)) hac xuc van hanh tri cua te".
• Adding a wildcard symbol may retrieve word variants: so ((sach ky) OR (sac ky)) nang xa hoi. ((thi van) or (thi nang)) hac xuc van hanh tri cua te*.