Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
thu san » thuy san, thu ban, phu san
duc van » duc va, duc tan, duc manh
nang ro » nang co, nang ho, nang ra
cac duc » cac du, cao duc, cac dac
ve cac » va cac, vien cac
tu bat » tu ban, tu dat
nang o » nang co, nang ho, nang x
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: ((tu bat) or (thu san)) ky ((nang o) OR (nang ro)) lai. hieu ve cac duc van hanh thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bat) OR (thu san)) ky ((nang o) OR (nang ro)) lai. hieu ve cac duc van hanh thai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bat) or (thu san)) ky ((nang o) OR (nang ro)) lai. hieu ve cac duc van hanh thai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu bat) or (thu san)) ky ((nang o) OR (nang ro)) lai. hieu ve cac duc van hanh thai cua te*.