Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
chat xuc » chat huu, cam xuc, chao xu
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
te sach » toc sach
cua duc » cua tuc, cua nuoc, cua quoc
sach ly » sach y, sach lo, sach ty
cac xuc » cam xuc, cac nuoc, cac cuoc
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang xa hoi. hieu vien ((cac xuc) or (chat xuc)) ((van hanh) OR (ban hanh)) dai cua duc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang xa hoi. hieu vien ((cac xuc) OR (chat xuc)) ((van hanh) OR (ban hanh)) dai cua duc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang xa hoi. hieu vien ((cac xuc) or (chat xuc)) ((van hanh) OR (ban hanh)) dai cua duc".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang xa hoi. hieu vien ((cac xuc) or (chat xuc)) ((van hanh) OR (ban hanh)) dai cua duc*.