Perhaps you should try some spelling variations:
thanh hoi » thanh hoai, thanh hoa, thanh hai
tan thanh » tran thanh, tang thanh, toan thanh
cua triet » cua viet, su triet, va triet
dua tren » dung tren
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
va cam » va cham, va cac, va cao

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 va cam duc tan thanh hoi ((dua tren) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. hieu va cam duc tan thanh hoi ((dua tren) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. hieu va cam duc tan thanh hoi ((dua tren) or (cua triet))*.