Perhaps you should try some spelling variations:
hanh thiet » thanh thieu, hanh theo
thiet nang » nhiet nang, thien nang, thi nang
hieu van » hieu va, thien van, lieu va
van kham » van tham, va kham, van khai
hanh vai » hanh vi, hanh va, hanh tai
so hanh » so sanh, so danh, co hanh
nang ma » tang ma, sang ma, nang cao
pham va » pham van, pham ma, pham tai
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
pha va » phap va, phan va, pha van
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 hanh thiet nang ma hoi. hieu van kham ((pha va) OR (pham va)) hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so hanh thiet nang ma hoi. hieu van kham ((pha va) OR (pham va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: so hanh thiet nang ma hoi. hieu van kham ((pha va) OR (pham va)) hanh vai cua te*.