Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tan hanh » tan thanh, tang hanh, toan hanh
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
vai cua » dai cua, hai cua, lai cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang xa hoi. hieu van cam duc tan hanh ((vai cuu) OR (vai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. hieu van cam duc tan hanh ((vai cuu) OR (vai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. hieu van cam duc tan hanh ((vai cuu) OR (vai cua)) tre*.