Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
van hanh » van thanh, ban hanh, van anh
hanh dao » lanh dao, thanh dat, thanh dam
te sach » toc sach
ly nang » ly hang, ly vang, ly quang
cac duc » cac du, cao duc, cac dac
duc van » duc va, duc tan, duc manh
dao cua » dai cua, day cua, dan cua
cua tuc » cua duc, cua tu, cua thuoc

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) OR (ky nang)) xa hoi. hieu vien cac duc van hanh dao cua tuc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) OR (ky nang)) xa hoi. hieu vien cac duc van hanh dao cua tuc".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) OR (ky nang)) xa hoi. hieu vien cac duc van hanh dao cua tuc*.